Abstract: The swiveling, single rear wheel for a trailer is adapted for use with a trailer. The single rear wheel includes a mount plate that is adapted to be positioned on a bottom surface of the trailer. A coil spring is positioned between the mount plate and a distal end of a torsion bar. The distal end of the torsion bar is affixed to a plate. The plate includes a tapered ring on a bottom surface that a roller assembly engages. A pivoting shaft is rotatably engaged on the bottom surface of the plate, and is affixed to a swivel wheel. The swivel wheel is also attached to the roller assembly. The swivel wheel is able to rotate via the pivoting shaft and the roller assembly. The universal hitch is adapted to attach between a vehicle hitch of a vehicle and a front portion of a trailer.

Abstract: A steering stop for a steer-by-wire steering system, includes a steering shaft for functionally connecting to a steering wheel, wherein a pressure chamber is provided for each direction of rotation of the steering shaft. A rotation of the steering shaft produces a reduction in the volume of a corresponding pressure chamber, and the steering stop also comprises a hydraulic valve such that resistance against a further rotation of the steering shaft is generated by the operation of said hydraulic valve when predetermined environmental conditions are met.

Abstract: A folding bicycle having a frame which extends in the main plane of extent, a front wheel which can be pivoted about a first axis which extends perpendicularly with respect to the main plane of extent, and a rear wheel which can be pivoted about a second axis which extends perpendicularly to the main plane of extent, wherein the frame has a joint such that the front and rear wheel can be pivoted with respect to one another about a third axis which extends perpendicularly with respect to the roadway.

Abstract: An electrical assist device is provided for a bicycle. The device includes an electric machine, a drive pinion, an attachment device, a source of electrical energy, and a controller. The attachment device fixes the electric machine to the bicycle near a tire of a wheel of the bicycle. The source of electrical energy powers the electric machine. The controller controls the electric machine. The electric machine includes a rotor, which drives the drive pinion. The drive pinion includes helicoidal teeth structured to mesh tangentially with complementary teeth fastened to the tire.

Abstract: A high performance motorcycle having a frame, engine suspension, and rear wheel drive system that enables rider foot positioning close to the longitudinal centerline of the motorcycle and an overall aerodynamic profile. The engine suspension, centering and damping system allows for lateral movement while damping vibration and unwanted oscillations. The rear wheel drive includes a driven pulley axially disposed on a rear wheel axle, a drive pulley configured to receive motive output from the motorcycle engine, an idler pulley disposed above a line between the axes of rotation of the drive pulley and the rear wheel axle, and a belt or chain disposed around and operatively connecting the drive pulley, the driven pulley and the idler pulley, wherein the idler pulley and the drive pulley configured so as to provide substantially constant tension to a belt or chain over the range of travel of the rear suspension.

Abstract: A motorcycle includes a step operating mechanism that changes the position of pillion steps (passenger steps), and an electronic control unit carries out step inclining control to change the position of the pillion steps, so that footrest surfaces of the pillion steps may each become an inclined surface, in which the steps are pivotally raised such that a portion of the passenger step situated at the vehicle body outside is raised toward the vehicle body upper side relative to a portion of the passenger step situated at the vehicle body inside, in response to at least one of an acceleration operation, a deceleration operation, and a turn operation of the motorcycle. Such arrangement provides a vehicle that can induce an occupant to take a riding posture suitable for the traveling status of the vehicle.

Abstract: A hitch device comprising: (a) a hitch bar that connects the hitch device to a vehicle; (b) a hitch mount in communication with the hitch bar; (c) a ball mount, a ball, or both that is in communication with and extends through a portion of the hitch mount; (d) a lifting device that is connected to the hitch mount, the hitch bar, or both, wherein the lifting device includes a lifting cylinder; and (e) one or more gears in communication with the lifting cylinder; wherein the lifting device assists in moving the ball mount, the ball, or both through the hitch mount; and wherein the lifting cylinder is an electric motor.

Abstract: A bicycle component with reinforced structure and a manufacturing method thereof are disclosed. The bicycle component includes a hollow main body and a foam material. The main body is manufactured by stacking plural carbon fiber prepreg layers and provided with a force bearing area. The foam material is disposed on the force bearing area and wrapped by the carbon fiber prepreg layers. Therefore, the present invention improves the structural strength of the bicycle component, lightens the weight of a bicycle made of the bicycle components, and provides a greater controllability of the bicycle.

Abstract: A support system (1) for a cycle (2) having a support surface (9) capable of carrying persons and/or a load, wherein the height adjustment of the support surface (9) is simple and rapid. The support system (1) comprises a base element (5a, 5b) and a support element (6a, 6b), presenting the support surface (9), and the support element (6a, 6b) is rotatably connected to the base element (5a, 5b), such that the support element (6a, 6b) can rotate relative to an axis of rotation (10). The support surface (9) is located a certain distance from said axis of rotation (10) and extends substantially parallel to this axis of rotation (10).

Abstract: A bicycle hydraulic quick-release apparatus comprises a main body and a hydraulic chamber. The main body includes a first hole and a second hole. The hydraulic chamber has a changeable volume and is provided between the first hole and the second hole. The hydraulic chamber is configured to be in a first chamber state where a volume of the hydraulic chamber is a first volume. The hydraulic chamber is configured to be in a second chamber state where the volume of the hydraulic chamber is a second volume different from the first volume. The hydraulic chamber is disconnected from the first hole in the second chamber state.

Abstract: A first bearing rotatably supports an opposite end part of a shaft, which is opposite from a worm. An O-ring is installed between the first bearing and an inner wall of a bearing box. A radial direction of the rotatable shaft, along which the worm and a worm wheel are placed one after another, is defined as an X-direction, and another radial direction of the rotatable shaft, which is perpendicular to the X-direction, is defined as a Y-direction. A distance, which is measured along the Y-direction between two opposed parts of an inner wall of the bearing box that are opposed to each other along the Y-direction, is larger than a distance, which is measured along the X-direction between two opposed parts of the inner wall of the bearing box, which are opposed to each other along the X-direction.

Abstract: A support module includes a first rigid body, a space formation body connected to the first rigid body and forming an enclosed space, and a plurality of hard particles located within the enclosed space. When at least a predetermined pressure is applied to the support module such that a volume of the enclosed space is decreased to a predetermined value, the plurality of hard particles and space formation body form a second rigid body. Such a support module may improve the stability of a walking robot, the grip of a gripping structure, or the stability of a load-bearing structure.

Abstract: A compensation control apparatus of motor driven power steering may include: a torque sensor for measuring a driver's column torque inputted to a steering wheel; and a controller for generating an assist torque based on the column torque measured through the torque sensor, compensating for a phase margin in a low-frequency band for the generated assist torque, detecting a resonance frequency to attenuate resonance, and outputting a final assist torque.

Abstract: A tilting trailer is proposed that includes a chassis mounted on an axle that pivots with respect to wheels of the trailer. The trailer includes an articulated drawbar mounted on the axle, the articulated drawbar being mounted so that it is free and sliding with respect to the chassis; and an actuator sliding the articulated drawbar. The articulated drawbar is V-shaped, a first end is fixed to a hitch tongue, a second end is fixed to the axle near a first wheel, and a third end is fixed to the axle near a second wheel.

Abstract: A bicycle front derailleur includes a mounting member, a chain guide, and a linkage assembly that pivotally couples the mounting member to the chain guide. The mounting member is configured to be mounted to a first frame member of a bicycle frame. The first frame member is pivotally connected to a second frame member of the bicycle frame about a pivot axis. The mounting member includes an attachment portion through which a fixing bolt for fixing the mounting member to the first frame member passes and includes an abutment configured to restrict rotation of the mounting member around the fixing bolt. The attachment portion is located on a front side of the pivot axis when the mounting member is mounted to the first frame member. The bicycle frame includes a structure for engaging and supporting the mounting member.

Abstract: A motorcycle immobilizer amplifier mount structure that allows arrangement in the front portion of a motorcycle body to be simplified while reducing the size of an ignition switch, and prevents an immobilizer amplifier from being exposed to a high temperature of a combustion engine. In the immobilizer amplifier mount structure, immobilization signal output section is incorporated in an ignition switch unit, and the immobilizer amplifier amplifies an immobilization signal from the immobilization signal output section, and is mounted rearward of a cylinder head of the combustion engine on an inner surface of an intermediate portion, in a longitudinal direction, in a pair of left and right frame pieces forming a part of a motorcycle frame structure.

Abstract: A power-train is provided for a driven, steerable axle of a motor vehicle. To reduce the size of the turning radius of the vehicle, the power train includes a left drive shaft that is fixedly connected in terms of drive to a left steerable wheel; a right drive shaft that is fixedly connected in terms of drive to a right steerable wheel; and a drive unit configured between the drive shafts for driving the drive shaft; the drive shafts being configured as articulated shafts, each having a wheel-proximal articulated joint and a wheel-distal articulated joint; and said articulated joints each having at least one axis of rotation with the same orientation for all articulated joints. The drive unit is designed for transmitting an electromotively generated torque to the drive shafts, and having a body suspension that allows the drive unit to rotate relative to the body about a swivel axis that extends in parallel to the axes of rotation having the same orientation.

Abstract: A steering device includes a ball screw mechanism 8 that applies a force in the axial direction to a rack shaft of a vehicle, and a bearing that rotatably supports a nut with respect to a housing. The steering device also includes a plate disposed with a gap between the bearing and the plate in a rack shaft axial direction, and a coned disc spring disposed between the bearing and the plate. The plate abuts against the housing in the rack shaft axial direction. The coned disc spring elastically supports the nut in the rack shaft axial direction via the bearing. One side surface of the plate that faces the coned disc spring is formed in a tapered shape so as to cross a rack shaft radial direction.

Abstract: A wheelchair has an additional auxiliary drive device that allows the wheelchair to be moved even without using one's hands. Two drive wheels are connected by means of a wheel hub and one wheel is arranged at one side of a wheelchair frame and the other wheel at the opposite side of the wheelchair frame. A seat is arranged between the drive wheels, the seat surface of which is arranged such that it can be tilted along the wheel axis of the drive wheels, wherein the tilting axis of the seat is located centrally between the drive wheels above the wheel axis.

Abstract: An automatic torque compensating drive system for a hydrostatic transmission, having a torque compensating control mechanism adjusting the swash plate of the hydraulic motor, the swash plate being spring biased to a low-torque, high-speed position and rotatable through a range of positions to a high-torque, low-speed position in response to increasing hydraulic system pressure. When used with a pair of transmissions, a linkage may join the control mechanisms of each transmission to synchronize their torque adjustments.